Report: 1115 waivers provide funds but don't ensure effective SUD care.

The primary manner by which states have been using Medicaid to expand access to substance use disorder (SUD) treatment may actually be making it more difficult for individuals to receive the services most appropriate to their needs, a newly released paper suggests. Moreover, this preferred strategy in many cases violates the law, authors with the National Health Law Program contend. [ABSTRACT FROM AUTHOR]